Google duo video calling is now working in Saudi Arabia, since the day it was launched (16th August 2016), Its unique 'knock knock' feature will allow a live video of caller before the receiver receive the call. It is similar & against of Apple's Facetime, Microsoft's Skype, Facebook Messenger and Google own Hangout application.

- Google Duo one to one free video calling app allows simple, high quality calls and available for both IOS devices, Android smartphones. Recommended :Now Whatsapp on Laptop & PC

- Unique knock knock feature will send your live video with to the receiver before they lift a call. Users can disable (ON or OFF) Knock Knock feature anytime. Similar :Activate Sim using Wathiq in Absher

- Super smooth switching between WiFi and mobile data without disturbing your call. Google duo video call even works on slower networks by reducing the resolution of camera to call smoothly. Related : Saudi Law for Expatriates

- No signup required for Google or Google duo, Just verification of mobile number is enough to use Google Duo app. You call anyone in your contacts with just one tap. See Also :Online Visit Visa in Dubai